Question

3- Use FEM and the data provided in figure below (there are 3 different materials) and (a) determine the problem specifications including, number of nodes, total #DoF of the system, and number of both restrained and unrestrained DoFs 5 Points), (b) find the displacement at each node (17 Points), (c) find the reaction force of the wall. (3 Points) E1 100 GPa Es 200 GPa E,-5x1010 Pa Al = 2 x 104 m 2 A-1 x 10m2 し,-25 cm Ls-30 cm 20 cm Mat. 2 Mat. 1 Mat. 3 F=15kN

Answer 1

lo L0 2o IS 82 0 2300

please note thatsign conventiins are opposite i.e movement towards left is negative and right is positive